Unocoin Says BitGo Multisig Backup Mechanism Suspected of Being Exploited, Investigating Asset Losses

November 13: According to Unocoin's official blog, custodian BitGo confirmed that it froze the corporate account on November 6 at Unocoin's request and that the freeze remains effective, but the previously discovered anomalous outbound transfer activity was signed externally and broadcast on-chain rather than routed through the BitGo platform. Unocoin said the backup mechanism in BitGo's multisig wallet, used to access funds when BitGo is unavailable, appears to have been exploited, and the company is investigating whether crypto asset losses and information leaks occurred; platform services remain suspended.